Men's Journal, which offers 196 unique adventures - one for each country on the planet.
The list is presented in alphabetical order of the countries, starting with Afghanistan and ending with Zimbabwe, with every other destination on Earth in-between. Each entry includes a brief paragraph describing an adventure that is available at the particular place, with some good information to help you get started with your planning.
The options for activities in these places are as varied and widespread ad the locations themselves. You'll find everything from hiking and camping, to mountain biking and road cycling, to scuba diving and snorkeling, and so much more. It maybe cliché to say there is something for everyone on this list, but with a round-up this extensive, that statement has never been truer.
What I like about this list is that it not only suggests classic adventure ideas (visit Patagonia in Chile, gorilla trekking in the DNC) but also some lesser known options such as sailing along the coast of Croatia and surfing in Ghana. It also makes it easy for you to find an adventure, even when you're going to a place where you don't think there is necessarily one to be had. Just scrolling through the gallery will get the wheels spinning with the possibilities.
While this is a fantastic article to read, you do have to set aside some time to go through it all. 196 adventures is a lot, and you'll want to savor every suggestion. I know I've already added a couple of ideas to my always-expanding bucket list.